Related Experiment Video
Updated: Aug 10, 2026

Identifying Dysregulated Genes Induced by Kaposi's Sarcoma-associated Herpesvirus (KSHV)
Published on: September 15, 2010
Viral and cellular cytokines in AIDS-related malignant lymphomatous effusions
1Medicine Branch and HIV and AIDS Malignancy Branch, National Cancer Institute, National Institutes of Health, Bethesda, MD 20892, USA. aokiy@mail.nih.gov
Insights
Kaposi sarcoma-associated herpesvirus encodes viral IL-6 (vIL-6), which is found in primary effusion lymphoma (PEL) effusions. This suggests vIL-6 plays a role in PEL development and symptoms.
Area of Science:
- Oncology
- Virology
- Immunology
Background:
- Kaposi sarcoma-associated herpesvirus (KSHV) encodes viral IL-6 (vIL-6).
- Primary effusion lymphoma (PEL) is an aggressive non-Hodgkin lymphoma often associated with human immunodeficiency virus (HIV).
- Cytokines like IL-6 and IL-10 are implicated in lymphomagenesis.
Purpose of the Study:
- To investigate the role of vIL-6 in the pathogenesis of HIV-related PEL.
- To quantify vIL-6 levels in PEL effusions.
Main Methods:
- Development of a sensitive enzyme-linked immunosorbent assay (ELISA) for vIL-6 detection.
- Analysis of vIL-6, human IL-6, and human IL-10 levels in PEL effusions and control effusions.
Main Results:
- vIL-6 was detected in 6 of 8 PEL effusions, with concentrations ranging from 1390-66,630 pg/mL.
- vIL-6 was not detected in any control effusions.
- All PEL effusions contained human IL-6 and 7 of 8 contained detectable human IL-10.
Conclusions:
- The presence of vIL-6 in PEL effusions suggests its involvement in PEL pathogenesis.
- vIL-6, along with human IL-6 and IL-10, may contribute to PEL development and manifestations through mechanisms like increased vascular permeability.
Abstract:
Kaposi sarcoma-associated herpesvirus encodes viral IL-6 (vIL-6). To investigate the potential role of vIL-6 in the pathogenesis of human immunodeficiency virus (HIV)- related primary effusion lymphomas (PEL), a sensitive enzyme-linked immunosorbent assay was developed for vIL-6 and applied to the study of PEL. Whereas vIL-6 was detectable in 6 of 8 PEL effusions (range, 1390-66 630 pg/mL), it was not detectable in any of the control effusions. As expected, all PEL effusions contained human IL-6 (range, 957-37 494 pg/mL), and 7 of 8 contained detectable human IL-10 (range, 66-2,521,297 pg/mL). Human and vIL-6 have previously been shown to induce vascular endothelial growth factor, which in turn can increase vascular permeability. The results of the current study suggest that these cytokines play a central role in the pathogenesis and manifestations of PEL. (Blood. 2000;96:1599-1601)
Related Concept Videos
Disorders of Leukocytes
Leukopenia may result from bone marrow disorders, autoimmune diseases, and infectious diseases. For example, conditions such as multiple myeloma and aplastic anemia can impair the bone marrow's ability to produce adequate leukocytes. Similarly, autoimmune diseases like lupus and viral infections such as HIV can prompt the immune system...
Immune Response Against Viral Pathogens
NK Cells
NK cells are a crucial part of our innate immune system, acting as the first line of defense against viral infections. These cells can recognize and kill infected cells without prior exposure to the virus, effectively slowing down the spread of infection. Additionally, NK cells produce proinflammatory...
Immunodeficiency Diseases
There are three main causes of immunodeficiency disorders...
Tumor Immunotherapy
Cytomegalovirus Disease
Cryptococcal Meningitis

